. >>> john brennan, the president's pick to be the next cia director getting drilled at his confirmation hearing. he was pressed the targeted killing of terror suspects, including u.s. citizens. >> i think there's a misimpression on the part of some american people who believe that we take strikes to punish terrorists for past transgressio transgressions. nothing could be further from the truth. we only take actions as a last resort to save lives when there's no other alternative. >> the brennan hearing was interrupted several times by protesters. at one point, senator diane feinstein stopped the proceedings and actually had the room cleared. >>> all right. too close for comfort. scientists at nasa say a giant asteroid, about half the size of a football field, is headed our way. they predict it will pass very close to earth on february 15th. no closer than about 17,100 miles. it's one of many large space objects barrelling toward us at the very moment. experts say all of them, inclauinclud including this one, will have very limited, low-impact probability. >> very good. >> fun to watch,